2.Clinical Analysis of Female Patients Under 20 Years of Age with Benign Breast Masses.
Man Kyu CHAE ; Chul Wan LIM ; Kyung Yul HUR ; Kyung Kyu PARK ; Min Hyuk LEE
Journal of the Korean Surgical Society 1999;56(1):43-48
BACKGROUND: Breast lesions in children and adolescents are rare and develop mainly in females. The management of breast masses in children and adolescents can be a perplexing problem for pediatricians and surgeons. It is well documented that breast lesions in females under 20 years of age rarely represent malignant disease. However, they frequently are a source of discomfort and anxiety for the patient, particularly when they do not resolve spontaneously. METHODS: To determine the frequency of different breast masses in females under 20 years of age on whom surgery was performed, we carried out a retrospective study of females under 20 years who were admitted to the Department. of Surgery of Soonchunhyang University Hospital for surgery between 1993 and 1995. RESULTS: The mean age was 17.9 years. A total of 44 surgical procedures were performed in 40 patients. The masses ranged in size from 0.8 cm through 7.0 cm. As to the location, the mass was in the right breast of 22 patients (50%) and in the left breast of 22 (50%). The most common location of the mass was in the right upper outer quadrant (13 patients, 29.5%). Of the 44 masses, fine-needle aspiration cytology was performed in 33 masses. Of them, 28 were fibroadenomas, 4 were fibrocystic disease, and 1 was a lipoma. Excisional biopsy was performed on 44 masses. Of them, 33 were fibroadenomas, 4 were fibrocystic disease, 5 was fibroadenoma and fibrocystic disease, 1 was a lipoma, and 1 was a lymphangioma. There were no malignancies. CONCLUSIONS: In female patients under 20 years of age, we suggest that benign breast should be studied for diagnosis, treatment, and histological feature.
Adolescent
;
Anxiety
;
Biopsy
;
Biopsy, Fine-Needle
;
Breast*
;
Child
;
Diagnosis
;
Female*
;
Fibroadenoma
;
Humans
;
Lipoma
;
Lymphangioma
;
Retrospective Studies
3.Current status of functional dyspepsia in Korea.
Hyuk LEE ; Hye Kyung JUNG ; Kyu Chan HUH
The Korean Journal of Internal Medicine 2014;29(2):156-165
Dyspepsia refers to group of commonly occurring upper gastrointestinal symptoms. The majority of patients with dyspepsia suffer from functional (nonulcer) dyspepsia. Although there is a lack of epidemiological data from population-based or patient cohort studies in Korea, the current understanding of this condition has been updated using data from various recent research studies, which have facilitated the development of clinical guidelines for functional dyspepsia. According to a survey using the Rome III criteria, more than 40% of respondents who visited primary clinics and tertiary hospitals were defined as having functional dyspepsia, most of who were within a subgroup of patients with postprandial distress syndrome. In addition, a population-based cross-sectional survey revealed considerable overlap between functional dyspepsia and other functional gastrointestinal disorders, including gastroesophageal reflux disease (especially nonerosive reflux disease) and irritable bowel syndrome. In contrast to the results of Western trials, there is insufficient evidence to recommend a Helicobacter pylori test-and-treat strategy as an initial management approach to functional dyspepsia in Korea, suggesting the need for early endoscopic evaluation. Additional studies are necessary to adjust the cutoff age for implementation of immediate endoscopic evaluation of patients without alarm symptoms. Considering the prevalence of H. pylori infection and the limited efficacy of symptomatic relief after its eradication, further well-qualified studies in Korea are warranted.
Anti-Bacterial Agents/therapeutic use
;
*Dyspepsia/diagnosis/epidemiology/microbiology/therapy
;
Early Diagnosis
;
Endoscopy, Gastrointestinal
;
*Helicobacter Infections/diagnosis/drug therapy/epidemiology/microbiology
;
Helicobacter pylori/*pathogenicity
;
Humans
;
Predictive Value of Tests
;
Prevalence
;
Prognosis
;
Questionnaires
;
Republic of Korea/epidemiology
;
Risk Factors
4.Rapidly Progressive Glomerulonephritis -A Review of 26 Cases-.
Jin Kyung KWON ; Sang Su LEE ; Sang Hyuk SEO ; Sung Bae PARK ; Hyun Chul KIM ; Kwan Kyu PARK
Korean Journal of Nephrology 1999;18(3):400-408
OBJECTIVES: Rapidly progres s ive glomerulonephritis (RPGN) is a clinico- pathologic entity characterized by extens ive crescent formation(usually involving 50% or more of glomeruli) as the principal his tologic finding and a rapid deterioration of kidney function, which can lead to end s tage renal disease within a few weeks. T he etiology and incidence of RPGN has been well defined in Europe and North America, however, there has been no report of a large series in Korea. T he aim of the present s tudy was to analyze the etiology and clinico- pathologic features of 26 patients with RPGN, seen during 1983-1997. METHODS: T wenty-six patients with RPGN(crescents in > 50% of glomeruli) were obs erved during a period of las t 14 years. Male to female ratio was 1:1.4, and the mean age was 30(6-75) years. Mean time from the initial symptoms to the ESRD was 3.1 months . RESULTS: The incidence of RPGN in our series was 2.1% of primary glomerulonephritis. Immunecomplex mediated disease was presented in 14 cases (54%), including 6 sys temic lupus erythematos us, 3 post- streptococcal glomerulonephritis, 3 Henoch- Schonlein purpura, and 2 IgA nephropathy. Pauci- immune disease was presented in 12 cases (46%), including 3 Wegener' s granulomatos is, one necrotizing crescentic glomerulonephritis, and 8 idiopathic crescentic glomerulonephritis. However, there was none of anti-GBM- mediated disease in our s tudy. ANCA were found in 6 patients. All 3 patients with WG were C- ANCA pos itive, whereas one patient with PSGN, necrotizing cres centic GN, and idiopathic crescentic GN were P- ANCA pos itive, respectively. Initial clinical and laboratory features included edema(80%), hypertens ion(72%), oliguria(68%), a decreased renal function(serum creatinine > 5mg/dL, 35%), and gros s hematuria(36%). Renal biopsy showed large crescents more than 80% of the glomeruli in 14 cases (54%) which were predominantly fibrocellular. Fifteen patients (58%) were treated with prednis olone alone, and 12 of them received puls e doses of corticosteroids. Five patients were treated with prednisolone and cyclophos phamide IV pulse. Two cases received plasma exchange. During the mean follow-up of 31+/-37 months, 18 patients (69%) developed inexorable progression of renal failure, three(12%) showed recovery of renal function, and two(8%) showed partial improvement, which is followed by varying degrees of renal insufficiency. During follow-up, three patients died : two from res piratory failure with severe pulmonary hemorrhage and one from opportunistic pulmonary infection during immunosuppressive therapy. Poor prognos is is as sociated with hypertension, increased serum creatinine level at the time of diagnosis, large crescents more than 85% of glomeruli, and glomerular scleros is . CONCLUSION: We conclude that an earlier diagnos is including kidney biopsy and the more aggressive treatment are essential in the management of RPGN.
Adrenal Cortex Hormones
;
Antibodies, Antineutrophil Cytoplasmic
;
Biopsy
;
Creatinine
;
Diagnosis
;
Europe
;
Female
;
Follow-Up Studies
;
Glomerulonephritis*
;
Glomerulonephritis, IGA
;
Hemorrhage
;
Humans
;
Hypertension
;
Immune System Diseases
;
Incidence
;
Kidney
;
Kidney Failure, Chronic
;
Korea
;
Male
;
North America
;
Plasma Exchange
;
Prednisolone
;
Purpura
;
Renal Insufficiency
;
Systemic Vasculitis
5.Primary Leptomeningeal Malignant Melanoma in Posterior Fossa and Upper Cervical Canal: A Case Report.
Kyu Ran CHO ; Jung Hyuk KIM ; Bong Kyung SHIN ; Nam Joon LEE
Journal of the Korean Radiological Society 2001;45(5):461-464
The term 'primary melanocytic neoplasm' covers a wide disease spectrum, from well differentiated meningeal melanocytoma to malignant melanoma, its most aggressive malignant counterpart. Previous reports have shown that due to the paramagnetic effect of melanin, melanocytic neoplasms show high signal intensity on T1-weighted images and very low signal intensity on T2-weighted images, with relatively homogeneous contrast enhancement. The differentiation of leptomeningeal malignant melanoma from benign melanocytoma is important because of their different prognosis but on the basis of imaging findings alone is difficult. Ultrastructural immunohistochemical analysis is a possible alternative. We report the imaging findings of rare primary malignant melanoma, revealed by noncontrast-enhanced CT as a high-density mass, and demonstrating high signal intensity on T1-weighted images, and very low signal intensity on T2WI, with relatively good contrast enhancement.
Melanins
;
Melanoma*
;
Prognosis
6.Infra-red Thermography as a Predictor of Prognosis in Breast Cancer.
Man Kyu CHAE ; Yong Seok JANG ; Kyung Kyw PARK ; Kyung Yul HUR ; Hye Kyung LEE ; Wook PARK ; Min Hyuk LEE
Journal of the Korean Cancer Association 1999;31(2):282-288
PURPOSE: The purpose of this study is to analyze the usefulness of breast thermography in assessing the prognosis in breast cancer and to obtain correlative evidence between thermographic prognosis and prognostic factors for breast cancer. MATERIALS AND METHODS: Thermographic examinations were performed in a room maintained at 20C. The patient was undressed to the waist, with both arms elevated for 10 minutes prior to the examination in order to cool and equilibrate the breast skin at room temperature. Digital infrared thermographic system was used (NEC, San-ei, Therm Tracer 6T67). The thermographic prognosis was classified according to Dr. Hobbins (Sl good, S2=fair and S-poor) suggested by Dr. Hobbins. The results were analyzed by Chi-Squire. One hundred three patients of breast cancer were examined by digital infrared thermographic system between Jan 1992 and December 1996. RESULTS: The mean age was 48, with a range from 20 to 85. According to the TNM classification 25 (24%) were in stage I, 47 (46%) stage II, 29 (28%) stage III, and 2 (2%) stage IV. The tumor size ranged from 0.5 to 20 cm (mean 4 cm), On histologic examination, 43 (43.%) patients had metastasis in the axillary nodes, 40 (55%) patients was estrogen-receptor positive. The nuclear grade I was 46 (35%) patients, II 24 (28%) and III 16 (19%). The classification of thermographic prognosis were Sl in 47 cases (46%), 82 in 32 (31%) and 83 in 24 (23%). The classification of the thermographic prognosis was found to be statistically correlated with tumor size (p<0.0001), axillary node status (p<0.0001) and TNM tumor stage (p<0.0001). But nuclear grade and estrogen receptor were not statistically correlated with the thermographic prognosis. The correlation between thermographic prognosis and actual survival rate was not available. CONCLUSION: These results suggest that breast thermography would be useful as a predictor in breast cancer before surgery.
Arm
;
Breast Neoplasms*
;
Breast*
;
Classification
;
Estrogens
;
Humans
;
Neoplasm Metastasis
;
Prognosis*
;
Skin
;
Survival Rate
;
Thermography*
7.Biological Characterization of Marssonina coronaria Associated with Apple Blotch Disease.
Dong Hyuk LEE ; Chang Gi BACK ; Nang Kyu Kyu WIN ; Kyung Hee CHOI ; Kyung Min KIM ; In Kyu KANG ; Cheol CHOI ; Tae Myung YOON ; Jae Youl UHM ; Hee Young JUNG
Mycobiology 2011;39(3):200-205
Marssonina coronaria associated with apple blotch disease causes severe premature defoliation, and is widely distributed in Korea. Thirteen isolates were collected from orchards located in Gyeongbuk Province from 2005~2007. All isolates displayed over 99.6% and 99.2% sequence similarity to each other in internal transcribed spacer regions and partial sequences of 28S rDNA, respectively. The isolates were phylogenetically closely related to Chinese isolates. Selected isolates did not differ in their pathogenicity. The optimum conditions for fungal growth were 20degrees C and pH 6 on peptone potato dextrose agar (PPDA). Peptone and mannose were the best nitrogen and carbon source, respectively. Fungal growth was better on PPDA than on common potato dextrose agar. This study provides valuable information for integrated disease management program and facilitates the routine culturing of M. coronaria.
Agar
;
Asian Continental Ancestry Group
;
Carbon
;
Diazonium Compounds
;
Disease Management
;
DNA, Ribosomal
;
Glucose
;
Humans
;
Hydrogen-Ion Concentration
;
Korea
;
Mannose
;
Nitrogen
;
Peptones
;
Phylogeny
;
Pyridines
;
Solanum tuberosum
8.The effect of bonding resin on bond strength of dual-cure resin cements.
Duck Su KIM ; Sang Hyuk PARK ; Gi Woon CHOI ; Kyung Kyu CHOI
Journal of Korean Academy of Conservative Dentistry 2007;32(5):426-436
The objective of this study is to evaluate the effect of an additional application of bonding resin on the bond strength of resin luting cements in both the light-cure (LC) and self-cure (SC) modes by means of the microTBS tests. Three combinations of One-Step Plus with Choice, Single Bond with Rely X ARC, and One-Up Bond F with Bistite II were used. D/E resin and Pre-Bond resin were used for the additional application. Twelve experimental groups were made. Three mandibular 3rd molars were used in each group. Indirect composite blocks were cemented on the tooth surface. 1 x 1 mm2 dentin-composite beam for microTBS testing were made and tested. When total-etching dentin adhesives were used, an additional application of the bonding resin increased the bond strength (P < 0.05). However, this additional application didn't influence the bond strength of self-etching dentin adhesives (P > 0.05). In conclusion, the results suggest that an additional application of the bonding resin increases bond strength and enhances quality of bonding when using total-etching dentin adhesives.
Adhesives
;
Dentin
;
Dentin Permeability
;
Molar
;
Resin Cements*
;
Tooth
9.Micro-shear bond strength of resin-modified glass ionomer and resin-based adhesives to dentin.
Hyun Kyung HONG ; Kyoung Kyu CHOI ; Sang Hyuk PARK ; Sang Jin PARK
Journal of Korean Academy of Conservative Dentistry 2003;28(4):314-325
No abstract available.
Adhesives*
;
Dentin*
;
Glass*
10.Effect of the additional application of a resin layer on dentin bonding using single-step adhesives.
Seung Mo CHOI ; Sang Hyuk PARK ; Kyung Kyu CHOI ; Sang Jin PARK
Journal of Korean Academy of Conservative Dentistry 2007;32(4):313-326
The purpose of this study was to prove that an intermediate resin layer (IRL) can increase the bond strength to dentin by reducing the permeability of single-step adhesives. Flat dentin surfaces were created on buccal and lingual side of freshly extracted third molar using a low-speed diamond saw under copious water flow. Approximately 2.0 mm thick axially sectioned dentin slice was abraded with wet #600 SiC paper. Three single-step self-etch adhesives; Adper Prompt L-Pop (3M ESPE, St Paul, MN, USA), One-Up Bond F (Tokuyama Corp, Tokyo, Japan) and Xeno III (Dentsply, Konstanz, Germany) were used in this study. Each adhesive groups were again subdivided into ten groups by; whether IRL was used or not; whether adhesives were cured with light before application of IRL or not; the mode of composite application. The results of this study were as follows; 1. Bond strength of single-step adhesives increased by an additional coating of intermediate resin layer, and this increasement was statistically signigicant when self-cured composite was used (p < 0.001). 2. When using IRL, there were no difference on bond strengths regardless the curing procedure of single-step adhesives. 3. There were no significant difference on bond strengths between usage of AB2 or SM as an IRL. 4. The thickness of hybrid layer was correlated with the acidity of adhesive used, and the nanoleakage represented by silver deposits and grains was examined within hybrid and adhesive layer in most of single-step adhesives. 5. Neither thickness of hybrid layer nor nanoleakage were related to bond strength.
Adhesives*
;
Edible Grain
;
Dentin*
;
Diamond
;
Molar, Third
;
Permeability
;
Silver
;
Water